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/*
* Copyright 2015 Open Networking Laboratory
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onosproject.vtn.util;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import org.onlab.packet.IpAddress;
import org.onosproject.net.DefaultAnnotations;
import org.onosproject.net.PortNumber;
import org.onosproject.net.behaviour.BridgeConfig;
import org.onosproject.net.behaviour.BridgeName;
import org.onosproject.net.behaviour.DefaultTunnelDescription;
import org.onosproject.net.behaviour.IpTunnelEndPoint;
import org.onosproject.net.behaviour.TunnelConfig;
import org.onosproject.net.behaviour.TunnelDescription;
import org.onosproject.net.behaviour.TunnelEndPoint;
import org.onosproject.net.behaviour.TunnelName;
import org.onosproject.net.driver.DriverHandler;
/**
* Applies configuration to the device.
*/
public final class VtnConfig {
private static final String DEFAULT_BRIDGE_NAME = "br-int";
private static final String DEFAULT_TUNNEL = "vxlan-0.0.0.0";
private static final Map<String, String> DEFAULT_TUNNEL_OPTIONS = new HashMap<String, String>() {
{
put("key", "flow");
put("remote_ip", "flow");
}
};
/**
* Constructs a vtn config object. Utility classes should not have a
* public or default constructor, otherwise IDE will compile unsuccessfully. This
* class should not be instantiated.
*/
private VtnConfig() {
}
/**
* Creates or update bridge in the controller device.
*
* @param handler DriverHandler
* @param dpid datapath id
* @param exPortName external port name
*/
public static void applyBridgeConfig(DriverHandler handler, String dpid, String exPortName) {
BridgeConfig bridgeConfig = handler.behaviour(BridgeConfig.class);
bridgeConfig.addBridge(BridgeName.bridgeName(DEFAULT_BRIDGE_NAME), dpid, exPortName);
}
/**
* Creates or update tunnel in the controller device.
*
* @param handler DriverHandler
* @param srcIp the ipAddress of the local controller device
* @param dstIp the ipAddress of the remote controller device
*/
public static void applyTunnelConfig(DriverHandler handler, IpAddress srcIp,
IpAddress dstIp) {
DefaultAnnotations.Builder optionBuilder = DefaultAnnotations.builder();
for (String key : DEFAULT_TUNNEL_OPTIONS.keySet()) {
optionBuilder.set(key, DEFAULT_TUNNEL_OPTIONS.get(key));
}
TunnelConfig tunnelConfig = handler.behaviour(TunnelConfig.class);
TunnelEndPoint tunnelAsSrc = IpTunnelEndPoint.ipTunnelPoint(srcIp);
TunnelDescription tunnel = new DefaultTunnelDescription(
tunnelAsSrc,
null,
TunnelDescription.Type.VXLAN,
TunnelName.tunnelName(DEFAULT_TUNNEL),
optionBuilder.build());
tunnelConfig.createTunnelInterface(BridgeName.bridgeName(DEFAULT_BRIDGE_NAME), tunnel);
}
/**
* Creates or update tunnel in the controller device.
*
* @param handler DriverHandler
* @param srcIp the ipAddress of the local controller device
* @param dstIp the ipAddress of the remote controller device
*/
public static void removeTunnelConfig(DriverHandler handler, IpAddress srcIp,
IpAddress dstIp) {
TunnelConfig tunnelConfig = handler.behaviour(TunnelConfig.class);
TunnelEndPoint tunnelAsSrc = IpTunnelEndPoint.ipTunnelPoint(srcIp);
TunnelEndPoint tunnelAsDst = IpTunnelEndPoint.ipTunnelPoint(dstIp);
TunnelDescription tunnel = new DefaultTunnelDescription(
tunnelAsSrc,
tunnelAsDst,
TunnelDescription.Type.VXLAN,
null);
tunnelConfig.removeTunnel(tunnel);
}
/**
* Gets ports in the controller device.
*
* @param handler DriverHandler
* @return set of port numbers
*/
public static Set<PortNumber> getPortNumbers(DriverHandler handler) {
BridgeConfig bridgeConfig = handler.behaviour(BridgeConfig.class);
return bridgeConfig.getPortNumbers();
}
}
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